Table 5.
Distribution of respiratory viruses identified by xTAG RVP Fast v2 assay, viral isolation and direct IF
| Target virus | Virus subtype | Total respiratory virus detected by xTAG RVP Fast v2 assay (%) | Mono-infection (%) | Co-infection (%) | Total positive specimen number detected by viral isolation (%) | Total positive specimen number detected by direct IF (%)a |
|---|---|---|---|---|---|---|
| RSV | 43 (21.8) | 32 (16.2) | 11 (5.6) | 7 (3.5) | 35 (17.6) | |
| HRV/HEV | 92 (46.2) | 59 (29.9) | 33 (16.8) | - | - | |
| AdV | 13 (6.6) | 2 (1.0) | 11 (5.6) | 3 (1.5) | 1 (0.5) | |
| Influenza A | H3 | 2 (1.0) | 2 (1.0) | - | 2 (1.0)a | 2 (1.0)a |
| H1N1 (2009) | 2 (1.0) | 2 (1.0) | - | |||
| Influenza B | 2 (1.0) | 2 (1.0) | - | 2 (1.0) | - | |
| PIV | 1 | 6 (3.0) | 3 (1.5) | 3 (1.5) | - | 1 (0.5) |
| 2 | 2 (1.0) | - | 2 (1.0) | 1 (0.5) | - | |
| 3 | 3 (1.5) | 2 (1.0) | 1 (0.5) | - | 2 (1.0) | |
| 4 | 2 (1.0) | 1 (0.5) | 1 (0.5) | - | - | |
| HBoV | 17 (8.6) | 2 (1.0) | 15 (7.6) | - | - | |
| HCoV | NL63 | 1 (0.5) | - | 1 (0.5) | - | - |
| HMPV | 12 (6.1) | 9 (4.6) | 3 (1.5) | - | 5 (2.5) | |
| Total | 197 (100) | 116 (58.9) | 81 (41.1) | 15 (7.5) | 46 (23.1) |
a
Viral culture and direct IF staining of clinical specimens does not differentiate influenza A subtype. The number of 2 means the counting of influenza A irrespective of any Influenza A subtype.